2007
The Dance of Quill and Ink, Contemporary Art of the Middle East, State Hermitage Museum, St. Petersburg, in association with the Triumph Gallery, Moscow, RussiaHomage to Love and Memory, the George W. South Memorial, Church of the Advocate, Philadelphia, USA
Inscribing Meaning: Writing and Graphic Systems in African Art, Smithsonian, National Museum of African Art, Washington D.C., USA

2006
Without Boundary: Seventeen Different Ways of Looking, MoMA – Museum of Modern Art, New York, USA
Text Messages, October Gallery, London, UK
Word into Art, British Museum, London, UK